package com.csi.controller.history;

import com.alibaba.fastjson2.JSON;
import com.csi.domain.History;
import com.csi.pojo.Result;
import com.csi.service.HistoryService;
import com.csi.service.impl.HistoryServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

/**
 * 根据月份查询用户的历史记录
 */
@WebServlet("/history/queryByMonthController")
public class QueryByMonthController extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        resp.setContentType("application/json;charset=utf-8");

        PrintWriter out = resp.getWriter();

        String userNumber = req.getParameter("userNumber");
        int year;
        int month;

        try {
            year = Integer.parseInt(req.getParameter("year"));
            month = Integer.parseInt(req.getParameter("month"));
        } catch (NumberFormatException e) {
            Result result = new Result<>();
            result.setCode(400);
            result.setMsg("参数转换错误");
            out.print(JSON.toJSONString(result));
            out.flush();
            out.close();
            return;
        }

        HistoryService historyService = new HistoryServiceImpl();
        List<History> histories= historyService.queryByMonth(userNumber, year, month);

        Result<List<History>> result = new Result<>();
        result.setCode(200);
        result.setMsg("success");
        result.setDatas(histories);
        out.print(JSON.toJSONString(result));
        out.flush();
        out.close();
    }

}
